This PowerPoint summarizes details about the virus from the structure and reproduction methods to the different modes of infection.  Various viral diseases of animals and plants, viroids, prions and genetic origins of viruses are...

For this biology worksheet, students answer 2 short answer questions related to HIV based on information provided. They color and label the different parts of a virus.

Students explore biological evolution and natural selection and its evolutionary consequences. They also explore how organisms are interdependent on one another.

In this flatworms instructional activity, students identify and color the different parts of a flatworm. They complete 14 short answer questions related to the topic.

Seventh graders research organisms in the Merritt Island National Wildlife Refuge. They create a picture book demonstrating their understanding of relationships.

In this fungus non-fiction reading comprehension worksheet, students read a 3 page selection that describes the characteristics and life of fungi. They answer 10 questions based on the reading which include true or false, multiple...

Ninth graders examine the three worm phyla. In this classification instructional activity, 9th graders observe, compare and contrast the planarian, tapeworm, and fluke.

Students identify types of worms. In this organisms lesson, students are shown slides of the different types of worms and take notes on each worm. Students answer questions about each worm.

Young scholars engage in a lesson that is about the concepts related to the careful balance of an ecosystem. They identify the beneficial and harmful relationships that can exist with diverse populations in an ecosystem. The lesson...

In this malaria learning exercise, students answer 8 short answer questions regarding the disease malaria, what causes it and how it can be controlled.

Students investigate jungles and the people who depend upon them.  For this sustainability lesson, students research wild life conservation and discover the importance of a jungle to Amazonian people.  Students create a group...

In this online interactive English vocabulary skills worksheet, students respond to 13 multiple choice questions that require them to fill in the blanks in sentences with the appropriate prepositions.

Sixth graders discover the various habitat requirements for assorted household pests from ants to wasps. They conduct various activities including researching the life cycles moths, cockroaches, and mosquitoes

The biggest challenge in a parasite's life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the behavior of their hosts to improve their own survival- sometimes even by direct brain...

Describes types of flatworms that are parasitic to humans and animals and what their life cycle looks like. Two or more hosts are needed for them to complete their life cycle.

This competent site discusses the three different types of mites that goats can host. A life cycle of mites is described as well.

A brief definition of symbiotic, followed by explanations of mutualism, commensalism, and parasitism.

Describes roundworm characteristics, including their classification, habitat, reproduction, infection of humans and pets, and how they are transmitted to other hosts. Includes some examples and the diseases they cause.

Students research the relationship between hosts, parasites, and vectors for common vector-borne diseases and evaluate how climate change could affect the spread of disease.

[Free Registration/Login may be required to access all resource tools.] Overview of symbiotic relationships.

A lesson plan outlining activities for a science unit where middle schoolers can learn about the relationships and the flow of energy within an ecosystem. These include predator and prey, hosts and parasites, and consumers, producers,...

An overview of the structure of protozoa. Identify those protists with hair or tails as well as those which cannot live on their own and require a host.

Today, about a third of the world's population is infected with a strange disease called toxoplasmosis-and most of them never even know it. And while the parasite can multiply in practically any host, it can only reproduce sexually in...